<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>my html2</title>
</head>
<body>

<p>
<form action="">
    <textarea cols="30" rows="10"></textarea>
</form>
</p>


<p>
<form action="http://www.kuaidi100.com/query" target="_blank">
    单号：<input type="text" name="postid"> <br>
    快递公司：
    <select name="type">
        <option value="youzhengguonei">邮政EMS</option>
        <option value="shentong">申通</option>
        <option value="zhongtong">中通</option>
    </select>
    <br> <input type="submit" value="查询">
</form>
</p>

<hr>



<p>
以下是网络层协议的是:
<form action="">
    <label>
        <input type="checkbox" name="q1" value="A">
        A. icmp
    </label>
    <label>
        <input type="checkbox" name="q1" value="B">
        B. ip
    </label>
    <label>
        <input type="checkbox" name="q1" value="C">
        C. HTTP
    </label>
    <label>
        <input type="checkbox" name="q1" value="D">
        D. FTP
    </label>
    <br> <input type="submit" value="提 交">
</form>
</p>

<hr>
<p>
<form action="http://www.kuaidi100.com/query" target="_blank">
    单号：<input type="text" name="postid"> <br>
    快递公司：
    <input type="radio" name="type" value="youzhengguonei"> 邮政
    <label>
        <input type="radio" name="type" value="shentong"> 申通
    </label>
    <input id="yt" type="radio" name="type" value="yuantong">
    <label for="yt">圆通</label>
    <br> <input type="submit" value="查询">
</form>
</p>

<hr>

<p>
<form action="http://www.kuaidi100.com/query" target="_blank">
    快递公司：<input type="text" name="type">
    单号：<input type="text" name="postid">
    <input type="submit" value="查询">
</form>
</p>

<hr>
<p>
<form action="">
    <input type="text" placeholder="用户名"> <br>
    <input type="password" placeholder="密 码"> <br>
    <input type="submit" value="登陆">
</form>
</p>
<hr>
<p>
    <form action="https://images.baidu.com/search/index" target="_blank">
        <input type="hidden" name="tn" value="baiduimage">
        <input type="text" name="word">
        <input type="submit" value="百度搜图">
    </form>
</p>

<p>
<form action="https://pic.sogou.com/pics" target="_blank">
    <input type="text" name="query">
    <input type="submit" value="搜狗搜图">
</form>
</p>
<p>
<form action="http://cn.bing.com/search" target="_blank">
    <input type="text" name="q">
    <input type="submit" value="必应搜索">
</form>
</p>
<form action="https://www.sogou.com/web" target="_blank">
    <input type="text" name="query">
    <input type="submit" value="搜狗搜索">
</form>
</p>
<hr>
<ol type="I" start="6">
    <li>Linux</li>
    <li>Shell</li>
    <li>Python</li>
    <li>JavaScript</li>
</ol>
<ol type="a" start="5">
    <li>Linux</li>
    <li>Shell</li>
    <li>Python</li>
    <li>JavaScript</li>
</ol>
<ol>
    <li>Linux</li>
    <li>Shell</li>
    <li>Python</li>
    <li>JavaScript</li>
</ol>
<hr>
<ul type="square">
    <li>Linux</li>
    <li>Shell</li>
    <li>Python</li>
    <li>JavaScript</li>
</ul>
<ul type="circle">
    <li>Linux</li>
    <li>Shell</li>
    <li>Python</li>
    <li>JavaScript</li>
</ul>
<ul>
    <li>Linux</li>
    <li>Shell</li>
    <li>Python</li>
    <li>JavaScript</li>
</ul>
<hr>
<table border="1px" width="500px">
    <tr>
        <td>阶段</td>
        <td>课程</td>
        <td>讲师</td>
    </tr>
    <tr>
        <td>第一阶段</td>
        <td>Linux基础</td>
        <td>牛</td>
    </tr>
    <tr>
        <td>第二阶段</td>
        <td>Network</td>
        <td>王</td>
    </tr>
    <tr>
        <td>第三阶段</td>
        <td>高级运维</td>
        <td>丁</td>
    </tr>
    <tr>
        <td>第四阶段</td>
        <td>database</td>
        <td>庞</td>
    </tr>
    <tr>
        <td rowspan="2">1</td>
        <td colspan="2">1</td>
    </tr>
    <tr>
        <td>1</td>
        <td>1</td>
    </tr>
</table>
</body>
</html>